/Engine/Plugins/Interchange/Runtime/Source/Import/Public/Scene/InterchangeVariantSetPayloadInterface.h
Once the translation is done, the import process need a way to retrieve payload data. This payload will be use by the factories to create the asset.
a PayloadData containing the the data ask with the key.
[TFuture](API\Runtime\Core\Async\TFuture)< [TOptional](API\Runtime\Core\IO\TOptional)< [UE::Interchange::FVariantSetPayloadData](API\Plugins\InterchangeImport\Scene\FVariantSetPayloadData) > > GetVariantSetPayloadData ( const [FString](API\Runtime\Core\Containers\FString) & PayloadKey ) const